Remove Concrete Remove Green Remove Portland
article thumbnail

Low Carbon Concrete for the First Time Required by Law

Green Building Law Update

The negative environmental impact of concrete, the most common man made substance on Earth, has not been meaningfully responded to in 2020. Cement use in concrete is the largest single material source of greenhouse gas emissions in building. Current green building programs actually encourage the use of concrete.

Concrete 245
article thumbnail

STRUCTURAL USES OF PRECAST CONCRETE

The Constructor

Use of Precast Concrete in frames: There are two main types of precast building frame. Use of Precast Concrete for Floors: Each year the industry makes about 5 million square meters of precast floor slabs. Structural frames are mainly used for offices, car parks and retail developments.

Concrete 235
professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)

The Constructor

It is new technique involved in the civil engineering.Reactive powder concrete in made by replacing the conventional sand and aggregate by grounded quartz less than300 micron size, silica fume, synthesized precipitated silica ,steel fibers about 1 cm in length and 180 micron in diameter.

Concrete 214
article thumbnail

A winning foundation: Solid defense with low carbon concrete

Construction Specifier

These winning ways have now extended beyond the court as the teams new $64-million training facilitythe Seattle Storm Center for Basketball Performancewas named a winner in the National Ready Mixed Concrete Associations (NRMCA) 2024 Concrete Innovation Awards. The design called for lighter, whiter concrete for the structure.

Defense 59
article thumbnail

CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED

The Constructor

It has many advantages when compared to the normal conventional concrete. The density is considerably reduced by using fly ash based cellular lightweight concrete than normal concrete and at the same time, the strength is not affected by appropriate design mix.

Concrete 244
article thumbnail

CONCRETE CURING METHODS

The Constructor

Both the rate and degree of hydration, and the resulting strength of the final concrete, depend on the curing process that follows placing and consolidating the plastic concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste.

Concrete 190
article thumbnail

Building Trends: An Old Material Becomes New Again

Viewpoint Construction Technology

Architects are looking to wood—specifically cross-laminated timber—as an alternative to steel and concrete for high-rise buildings. Concrete, on the other hand, has a high carbon footprint since creating it requires a lot of energy. The Bullitt Center in Seattle , for example, is made largely from timber on a concrete base.

Materials 230